Hearty Pot Roast over Mashed Potatoes Grandmas Comfort Food

Ingredients

• 3 lbs (1.36 kg) beef chuck roast
• 2 tablespoons (30 ml) olive oil
• 1 large yellow onion, chopped (approx. 200g)
• 2 carrots, peeled and chopped (approx. 150g)
• 2 celery stalks, chopped (approx. 100g)
• 4 cloves garlic, minced
• 1 tablespoon tomato paste
• 1 teaspoon dried thyme
• 1/2 teaspoon dried rosemary
• 4 cups (950 ml) beef broth
• 1 cup (240 ml) dry red wine (optional, but adds depth!)
• 2 bay leaves
• 1 lb (450g) small red potatoes, quartered
• Salt and freshly ground black pepper to taste
• 2 tablespoons all-purpose flour (for thickening, optional)
• 3 lbs (1.36 kg) Yukon Gold potatoes, peeled and quartered
• 1 cup (240 ml) whole milk, warmed
• 1/2 cup (115g/1 stick) unsalted butter, softened